<!--********************************************************************
* by jiawanlong
*********************************************************************-->
<!DOCTYPE html>
<html>

<head>
    <meta charset="UTF-8" />
    <style>
        * {
            margin: 0;
            padding: 0;
            overflow: hidden;
        }
    </style>
</head>

<body>
    <script type="importmap">
        {
            "imports": {
                "three": "./../../three/build/three.module.js",
                "three/addons/": "./../../three/examples/jsm/"
            }
        }
    </script>


    <script type="module">
        import * as THREE from 'three';
        import { OrbitControls } from 'three/addons/controls/OrbitControls.js';

        // 场景
        const scene = new THREE.Scene();// 创建场景
        //BoxGeometry：长方体
        const geometry1 = new THREE.BoxGeometry(10, 10, 10);
        // SphereGeometry：球体
        const geometry2 = new THREE.SphereGeometry(10);
        // CylinderGeometry：圆柱
        const geometry3 = new THREE.CylinderGeometry(10, 10, 100);
        // PlaneGeometry：矩形平面
        const geometry4 = new THREE.PlaneGeometry(10, 50);
        // CircleGeometry：圆形平面
        const geometry5 = new THREE.CircleGeometry(10);

        const material = new THREE.MeshBasicMaterial({ color: 0xff0000 }); //材质 

        const mesh1 = new THREE.Mesh(geometry1, material); 
        mesh1.position.set(0, 0, 0);
        const mesh2 = new THREE.Mesh(geometry2, material); 
        mesh2.position.set(0, 0, 30);
        const mesh3 = new THREE.Mesh(geometry3, material); 
        mesh3.position.set(0, 0, 60);
        const mesh4 = new THREE.Mesh(geometry4, material); 
        mesh4.position.set(0, 0, 90);
        const mesh5 = new THREE.Mesh(geometry5, material); 
        mesh5.position.set(0, 0, 120);

        scene.add(mesh1); 
        scene.add(mesh2); 
        scene.add(mesh3); 
        scene.add(mesh4); 
        scene.add(mesh5); 

        // AxesHelper
        const axesHelper = new THREE.AxesHelper(150);
        scene.add(axesHelper);

        // 相机
        const camera = new THREE.PerspectiveCamera();  //相机
        camera.position.set(400, 300, 500); //相机位置
        camera.lookAt(0, 50, 40);   //相机观察位置

        // 渲染器
        const renderer = new THREE.WebGLRenderer(); // 创建渲染器
        renderer.setSize(window.innerWidth, window.innerHeight); //渲染区域
        renderer.render(scene, camera); //执行渲染
        document.body.appendChild(renderer.domElement);


        // 设置相机控件轨道控制器OrbitControls
        const controls = new OrbitControls(camera, renderer.domElement);
        // 如果OrbitControls改变了相机参数，重新调用渲染器渲染三维场景
        controls.addEventListener('change', function () {
            renderer.render(scene, camera); //执行渲染操作
            console.log(camera.position)
        });//监听鼠标、键盘事件
        window.scene = scene;

        
        // 删除后重新渲染
        scene.remove(mesh5)
        renderer.render(scene, camera); 
        
        // 隐藏后重新渲染
        mesh4.visible = false;
        renderer.render(scene, camera); 

    </script>

</body>

</html>